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Application filed by Politechnika PoznanskafiledCriticalPolitechnika Poznanska
Priority to PL27416588ApriorityCriticalpatent/PL157546B1/en
Publication of PL274165A1publicationCriticalpatent/PL274165A1/en
Publication of PL157546B1publicationCriticalpatent/PL157546B1/en